Question

The magnetic field of a uniform plane wave propagating in the +Y direction in medium with {ɛ, = 18, µ, = 1, 0 = 5}. At y = 0 is H = a, cos(10°n t) (A/m). Determine: %3D a) What is the type of this medium b) The values and units of the following wave parameters a, B,n, vp, A, & and write the name of each parameter. c) Write the expressions of E(y, t) & H(y, t) at y = 0.75 (m).

Answer 1

Solution:-

Given that

The magnetic field of a plane wave propagating in the +Y direction in medium with .

At y = 0 is .

Determine

a) What is the type of this medium

Type of the medium

as relative permitivity and relative permeability is given .e

for a lossy dielectrics ()

so it is a lossy dielectric medium.

b) The values and units of the following wave parameters and write the name of each parameter.

for a lossy dielectric

where

c) Write the expressions of & at y = 0.75 (m).

expressions for & at y = 0.75 m

but from given magnetic field equation

so

given y = 0.75 m

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